Oscillator, Multiplier, and Buffer with 8 Outputs

MDS 552A-01 B

4

Revision 010906

Integrated Circuit Systems, Inc.

ICS552A-01

KEY: CI = clock input with pull-up resistor; I = input with internal pull-up resistor.

Pin

Number

Pin

Name

Pin

Type

Pin Description

1

INA

CI

Input to buffer A. Outputs QA1:4 will be the same frequency. Internal pull-up resistor.

2

DC

—

Do not connect.

3

DC

—

Do not connect.

4

VDD

Power

Connect to +3.3 V or 5.0 V. Must be same as other VDDs.

5VDD

Power

Connect to +3.3 V or 5.0 V. Must be same as other VDDs.

6

GND

Power

Connect to ground.

7

QA1

Output

Output 1 from buffer A.

8

QA2

Output

Output 2 from buffer A.

9

QA3

Output

Output 3 from buffer A.

10

QA4

Output

Output 4 from buffer A.

11

S1

I

Mode Select pin 1. Selects mode for outputs. Must be at GND for all clocks on. Internal

pull-up resistor.

12

QB1

Output

Output 1 from buffer B.

13

QB2

Output

Output 2 from buffer B.

14

GND

Power

Connect to ground.

15

VDD

Power

Connect to +3.3 V or 5.0 V. Must be same as other VDDs.

16

VDD

Power

Connect to +3.3 V or 5.0 V. Must be same as other VDDs.

17

QB3

Output

Output 3 from buffer B.

18

QB4

Output

Output 4 from buffer B.

19

INB

CI

Input to buffer B. Outputs QA1:4 will be the same frequency. Internal pull-up resistor.

20

S0

I

Mode Select pin 0. Selects mode for outputs. Must be at GND for all clocks on. Internal

pull-up resistor.